void mono_reflection_register_with_runtime (MonoReflectionType *type) MONO_INTERNAL;
void mono_reflection_create_custom_attr_data_args (MonoImage *image, MonoMethod *method, const guchar *data, guint32 len, MonoArray **typed_args, MonoArray **named_args, CattrNamedArg **named_arg_info, MonoError *error) MONO_INTERNAL;
-MonoMethodSignature * mono_reflection_lookup_signature (MonoImage *image, MonoMethod *method, guint32 token) MONO_INTERNAL;
+MonoMethodSignature * mono_reflection_lookup_signature (MonoImage *image, MonoMethod *method, guint32 token, MonoError *error) MONO_INTERNAL;
MonoArray* mono_param_get_objects_internal (MonoDomain *domain, MonoMethod *method, MonoClass *refclass) MONO_INTERNAL;